with centurylink as your trusted technology partner, you can do just that. with our visionary cloud infrastructure, global broadband network and custom communications solutions, your business is more reliable - secure - agile. and with responsive, dedicated support, we help you shine every day of the week. >>> i'm rachel maddow. today's boston marathon was in part a memorial to the victims of the mass shooting of the sandy hook victims in december. 26 were killed in the sandy hook killing and the 26th mile was dedicated to the memory of those victims. a teen ran today in their honor. watch. >> reporter: today brought another round of heart ache for a tiny connecticut town that's already suffered so much. the 117th boston marathon was dedicated to the memory of the lives lost in the newtown, connectic connecticut mass sheeting. each wave of runners marked 26 seconds before they took off. for some runners it was personal. >> in way it's a bit reliving what we all felt like on that day and the days after. it was pretty horrific. it's hard to wrap your head arou